code: def register_metrics(name, implementation):
      registered_metrics[name] = implementation
  
imports: import logging
  import numpy
  import torch
  from functools import reduce
  from scipy.stats import pearsonr, spearmanr
  from seqeval.metrics import classification_report
  from seqeval.metrics import f1_score
  from sklearn.metrics import matthews_corrcoef, f1_score, mean_squared_error, r2_score, classification_report
  from farm.utils import flatten_list
label_desc: Use image node_id 1 for calling a global function with example usage: register_metrics(name, implementation) without return types